Finding system output (simple basic control engineering)

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Discussion Overview

The discussion revolves around determining the correct system output in a control engineering context, specifically involving the use of Laplace transforms. Participants explore the relationship between time-domain signals and their Laplace transforms, while addressing potential misunderstandings regarding the application of these concepts.

Discussion Character

  • Exploratory
  • Technical explanation
  • Homework-related

Main Points Raised

  • One participant expresses uncertainty about whether they have correctly identified the system output.
  • Another participant points out a potential error in the multiplication of time-domain and transfer functions, suggesting the need for clarification on how to derive X(s) from x(t).
  • A participant explains that X(s) refers to the Laplace Transform of x(t) and provides an example of a simple transform.
  • One participant acknowledges a lack of familiarity with Laplace transforms, indicating it may be beyond their current class material.

Areas of Agreement / Disagreement

The discussion remains unresolved, with participants expressing different levels of understanding regarding Laplace transforms and their application in the context of the problem presented.

Contextual Notes

Participants indicate that the concept of Laplace transforms may not have been covered in their coursework, leading to uncertainty about its application in the current problem.

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Hey Fp!

When you multiplied X(s) with G(s), you appear to have multiplied x(t) instead with G(s).
Do you know how to find X(s) from x(t)?
 
Do you know how to find X(s) from x(t)?

HEy ILS :)

Hmm, I did not realize there is a X(s). What exactly is it in words?
 
Femme_physics said:
HEy ILS :)

Hmm, I did not realize there is a X(s). What exactly is it in words?

X(s) is the so called Laplace Transform of x(t).
Typically you use a table with Laplace transforms and look it up.

For instance, the Laplace transform of x(t)=2 is X(s)=2/s.
 
Oh my, I wondered if I stepped out of the bounderies of my class material. I'll go ask my classmate and check, because I don't remember having learned about it.
 
Turns out it is indeed beyond the scope of our material. I went ahead of myself! Thanks anyway :)
 
Okay ;)
 

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